Marais et tourbières des vallées de la Somme et de l’Avre
IUCN IVWetland of International Importance (Ramsar Site) · 2017
131 km²
Subdivision · FRA
Amiens 1er (Ouest)
France
CfbTemperate, no dry season, warm summer(100 %)
Area
7,8km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
Computing species observations from GBIF…
Climate
Mean T°
10,6°C
Annual rain
720mm
Warmest m°
22,2°C
Coldest m°
1,1°C
Elevation: 60 m on average (min 19 m, max 95 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,6°C
Annual rain
720mm
Warmest month
22,2°C
Coldest month
1,1°C
Mean alt.
60m
Min
19m
Max
95m
Std. dev.
23m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
25,2g/kg
Clay
23,2%
Sand
14,8%
Silt
62,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Somme
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
38,7g/kg
Clay
22,3%
Sand
14,5%
Silt
63,3%
5–15 cm
pH H₂O
6,7
Org. C
20,2g/kg
Clay
22,3%
Sand
14,5%
Silt
63,3%
15–30 cm
pH H₂O
6,7
Org. C
16,7g/kg
Clay
24,9%
Sand
15,5%
Silt
59,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest13.6%
Crops55.8%
Built-up1.9%
Bare soil0.7%
Other (grassland, water…)28.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology
Computing basins, lakes, rivers…
Human pressure
Pop. density
1hab/km²
Night light
1,7nW
Built-up
192,7%
Pesticides
46,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations2
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.